UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nkKi2VJEGLwQwiAv/HdXCpnkuTW34Yv7trrzTW6HWAo=' 
WHERE 
  key_id = 'b5aee7c1ce944154fd7699e0736f38e52a7f369f707ea225633a8ec3e910d1d1' 
  AND (
    token = 'nkKi2VJEGLwQwiAv/HdXCpnkuTW34Yv7trrzTW6HWAo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00036