UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Un3KKfR+frUw8TUBw9qz1tLlm2Axlfs60RtT3Hol/Oo=' 
WHERE 
  key_id = '9a1b81b1eda93afcd34ce48dd27499299ad6f65fd674f550f0e689f841849621' 
  AND (
    token = 'Un3KKfR+frUw8TUBw9qz1tLlm2Axlfs60RtT3Hol/Oo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033