UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PITB7lM/3c4S1jjyY31M0zeqQuBe3ELSuQ4ERhQwKAU=' 
WHERE 
  key_id = '79b2d1f3ecf055fb57147470aac9d8223bcc3670d7444fcb80dd062192cd8285' 
  AND (
    token = 'PITB7lM/3c4S1jjyY31M0zeqQuBe3ELSuQ4ERhQwKAU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00032