UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pQnK5KMxEEMS8e/mpEYd9mY8tu1wUbbmYZNQa56v2y4=' 
WHERE 
  key_id = '7b84a531759379de84fd5e608c0ad5060fa06c6c2e27896dc5c43c1e06d8a194' 
  AND (
    token = 'pQnK5KMxEEMS8e/mpEYd9mY8tu1wUbbmYZNQa56v2y4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )