UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x2z+rfl1Vh9RnwSbPpBAtvz/3ayF5gzE3aQK2CKoydc=' 
WHERE 
  key_id = '20083b3895faa68393dbf7e30a2cc95bc6a9b00e149053d8316d26124a9e3269' 
  AND (
    token = 'x2z+rfl1Vh9RnwSbPpBAtvz/3ayF5gzE3aQK2CKoydc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )