UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G/FDzXcXfhAFnrm8diQkb+YDwJLKwNl40s5vHAm+qyE=' 
WHERE 
  key_id = '203e23785a1d754fd18ff82c0464916e77d9738688b058855950d0d16cd266b5' 
  AND (
    token = 'G/FDzXcXfhAFnrm8diQkb+YDwJLKwNl40s5vHAm+qyE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )