UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'em/yFFUaBDMIEe+60+nBQSbk78Fp8YicJB+BTvvUCoo=' 
WHERE 
  key_id = '4892977c73552541e3f078580b65c666c869f3806aeb7175436c5fa3eca29cfb' 
  AND (
    token = 'em/yFFUaBDMIEe+60+nBQSbk78Fp8YicJB+BTvvUCoo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )