UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i146XnnVhYuumYP9U80+GG0voacdkMIS1vNSIcMEaUs=' 
WHERE 
  key_id = 'df703531bdb16a241a3b9ffe84c98523334dffc75be3a5922c7a10f7bc7f71a2' 
  AND (
    token = 'i146XnnVhYuumYP9U80+GG0voacdkMIS1vNSIcMEaUs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00030