UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'efj7R+KY/QS2DQV1Fl7A22R6uhmyjnZXZbroLTeaIlM=' 
WHERE 
  key_id = '51d9d2c2b67c070973c8fac3a8732e70f4a1e74a3034a074aa9a295fbea67364' 
  AND (
    token = 'efj7R+KY/QS2DQV1Fl7A22R6uhmyjnZXZbroLTeaIlM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )