INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b8993da96cb7e7fa755a3a2e0de5ee3ec950e4bd9d7047d383c02037f651d0fd', 
    'MDcDVVhdOjCmQMtbuTyksHVaiWUu2wCJWUHihvKB52E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)