UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ew/ZB+nhuQDcNMsl2o3a7OFlJrthnfVdsnMnj8QXKQ4=' 
WHERE 
  key_id = '51d8cbee7cfe76dbf62f9633926087bf994fa83ac6078481da53cdd9a1c8e82e' 
  AND (
    token = 'ew/ZB+nhuQDcNMsl2o3a7OFlJrthnfVdsnMnj8QXKQ4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )