UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mejXDeYNDYKY3Uc97vsMsTdwFdN+hAnus2m9n2WaGTg=' 
WHERE 
  key_id = '26c76f5013cd2368842acc47330b1116b2554e61f8e43baf42d97f7683df9637' 
  AND (
    token = 'mejXDeYNDYKY3Uc97vsMsTdwFdN+hAnus2m9n2WaGTg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )