UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FhuhslemFXCVnH0zhp63LUYpYsD8HBcGfPBcYfuRjl0=' 
WHERE 
  key_id = 'b4051d773d5701387e227b9dc817740a234631159d7df5ce8cbbd1f13486c29b' 
  AND (
    token = 'FhuhslemFXCVnH0zhp63LUYpYsD8HBcGfPBcYfuRjl0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )