UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/PEp1sq5K4/MpPlTcwweyKtXA7gGjQY0LESPGYCyQy8=' 
WHERE 
  key_id = '9fb87b29b12c2ced570863a49a3d43baf19727b2783c8af4e1a2fff04b137050' 
  AND (
    token = '/PEp1sq5K4/MpPlTcwweyKtXA7gGjQY0LESPGYCyQy8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )