UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm7pwZTRgc6E9A+EU/sx3aaJg/QBXdn+6MZ1PtrRCLlM=' 
WHERE 
  key_id = 'a74ff8970f1d114d47601a0e9540fba8d38819fc386355487e1783a913dcea58' 
  AND (
    token = 'm7pwZTRgc6E9A+EU/sx3aaJg/QBXdn+6MZ1PtrRCLlM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034