UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w5RTB0EfWax5Fk59wK7mlltzlabZrZcWM77f3OclwAQ=' 
WHERE 
  key_id = '8748b174fe3d1a7a940da5b08954738b2862c252b968185b9f6b4afc6dcb1cf3' 
  AND (
    token = 'w5RTB0EfWax5Fk59wK7mlltzlabZrZcWM77f3OclwAQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )