INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a75549289d4a975ec406cd6c156a60d92062788137871e2ea518958d49520754', 
    '+d4RFlBE2R3YZ26zc3yyNcBKMKkKUuGSsxB8TSPzNDI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)