UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w/q8SQqjXadUdZCqJq1BYUSHXBdEqXcMdEI2BAOb7RY=' 
WHERE 
  key_id = '18ce3e23e322654c7b6b4cf151343d8bb051df2d3a1e4fd3ac9bc695434e0d0b' 
  AND (
    token = 'w/q8SQqjXadUdZCqJq1BYUSHXBdEqXcMdEI2BAOb7RY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )