UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u4CCoMXkSIit5nmrVHDPJdtfhFKimhNx2QP2zFkjEyU=' 
WHERE 
  key_id = '2b7a419e0a9c12519736fa5e6572af3a06148fa010245626b84a7093969689fc' 
  AND (
    token = 'u4CCoMXkSIit5nmrVHDPJdtfhFKimhNx2QP2zFkjEyU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )