UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MyPRtGyDhGB8eSRLbZIaGhy1RVrhh6kPqq9HRPygYB0=' 
WHERE 
  key_id = 'a2d6c6d23df0c5d1c5bac1a531f28a0f2fa7eac8f318f58b46060f3c76a8cd0b' 
  AND (
    token = 'MyPRtGyDhGB8eSRLbZIaGhy1RVrhh6kPqq9HRPygYB0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )